CN115566320A - Lithium battery explosion-proof equipment of monitoring and cooling - Google Patents
Lithium battery explosion-proof equipment of monitoring and cooling Download PDFInfo
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- CN115566320A CN115566320A CN202211402470.1A CN202211402470A CN115566320A CN 115566320 A CN115566320 A CN 115566320A CN 202211402470 A CN202211402470 A CN 202211402470A CN 115566320 A CN115566320 A CN 115566320A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a lithium battery explosion-proof device for monitoring and cooling, which relates to the technical field of lithium battery cooling explosion-proof, and comprises an explosion-proof box and a lithium battery body arranged in the explosion-proof box, and also comprises: the motor drives the spiral propelling blades and the turbine to continuously rotate, two air channels can be formed in the explosion-proof box to continuously radiate heat of the first auxiliary radiating fin, the second auxiliary radiating fin and the main radiating fin on the lithium battery body when the lithium battery body normally works, when the temperature in the explosion-proof box rises to exceed a critical value, cooling liquid in the cooling box can be pushed into the explosion-proof box to be matched with the refrigerator to forcibly cool the lithium battery body, when the lithium battery body breaks down and explodes spontaneously, expanded gas in the explosion-proof box can be decompressed through the decompression opening, water-based fire extinguishers are used for spraying water mist in the explosion-proof box to quickly cool, isolate and extinguish fire.
Description
Technical Field
The invention belongs to the technical field of cooling and explosion prevention of lithium batteries, and particularly relates to a lithium battery explosion prevention device for monitoring and cooling.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very active chemical characteristics, so that the processing, storage and use of the lithium metal have very high requirements on the environment, the lithium battery becomes the mainstream along with the development of science and technology, however, the accidents of casualties and property loss caused by explosion of the lithium battery are frequent, wherein the spontaneous combustion explosion of the lithium battery can be caused by the problems of overhigh external temperature, short circuit and the like, and the internal temperature of the lithium battery has the same expression of abnormal temperature, so a device capable of reducing the temperature of the lithium battery is required to be designed to prevent the spontaneous combustion of the lithium battery.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem underlying the present invention is to overcome the drawbacks of the prior art and to provide an explosion-proof device for lithium batteries that can monitor and cool down that overcomes or at least partially solves the above mentioned problems.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a lithium battery explosion-proof equipment of monitoring and cooling, includes explosion-proof box and locates lithium cell body in the explosion-proof box still includes: the lithium battery comprises a lithium battery body, a plurality of main radiating fins, a plurality of radiating cylinders and a plurality of radiating fins, wherein the main radiating fins are fixedly connected to two sides of the lithium battery body; a heat dissipation port formed in the explosion-proof box, a rotating shaft is rotatably connected in the heat dissipation port, a spiral propelling blade and a turbine are fixedly connected to the rotating shaft, the spiral propelling blade is located in a heat dissipation cylinder, the turbine is located in the heat dissipation port, and the top of the explosion-proof box is communicated with an air inlet pipe; the cooling box is fixedly connected to the bottom of the explosion-proof box, the cooling box is communicated with the explosion-proof box, cooling liquid is filled in the cooling box, and a pushing assembly used for pushing the cooling liquid into the explosion-proof box is arranged in the cooling box; and the water-based fire extinguisher is fixedly connected to one side of the explosion-proof box and is communicated with the explosion-proof box through a spray pipe.
In order to facilitate the rotation of the supporting rotating shaft, preferably, an L-shaped baffle is fixedly connected to the explosion-proof box, and the rotating shaft is rotatably connected to the L-shaped baffle.
In order to facilitate monitoring of the temperature in the explosion-proof box, a temperature sensor is fixedly connected to the L-shaped baffle and corresponds to the heat dissipation opening.
In order to facilitate the rotation of the rotating shaft, further, a motor is fixedly connected to the L-shaped baffle, and the output end of the motor is fixedly connected with the rotating shaft.
In order to facilitate the coolant to be pushed into the explosion-proof box, preferably, the pushing assembly comprises a linear driver, the linear driver is fixedly connected into the cooling box, a piston rod is fixedly connected onto the output end of the linear driver, a piston head is fixedly connected onto one end, away from the linear driver, of the piston rod, a water outlet is formed in one side, away from the linear driver, of the top of the cooling box, and a liquid inlet communicated with the water outlet is formed in the bottom of the explosion-proof box.
For the convenience of heat dissipation, preferably, the last first pair of fin of fixedly connected with and the vice fin of second of lithium cell body, first pair of fin is parallel with the pivot, the vice fin of second is located the lithium cell body top and is mutually perpendicular with first pair fin, lithium cell body bottom fixedly connected with support column, lithium cell body one end fixed connection is kept away from in explosion-proof bottom of the case portion to the support column.
Further, a one-way valve is installed in the air inlet pipe.
In order to facilitate the fire extinguishing of the explosion-proof box through the water-based fire extinguisher, preferably, the water-based fire extinguisher is communicated with a water outlet pipe, a control valve is installed on the water outlet pipe, one end, far away from the explosion-proof box, of the spray pipe is communicated with the water outlet pipe, a spray head is fixedly connected in the explosion-proof box, and the spray head is communicated with one end, far away from the water-based fire extinguisher, of the spray pipe.
In order to facilitate the explosion of lithium cell body when taking place the pressure release to explosion-proof case, furtherly, the opening has been seted up on the explosion-proof case, the last fixedly connected with of explosion-proof case and the pressure release box that the opening is linked together, the pressure release mouth has been seted up on the pressure release box, the spacing groove has been seted up in the opening, spacing inslot embedded combination has the stopper, it has the pressure release stopper to bond on the stopper, the pressure release stopper surface is laminated with the opening inner wall mutually, fixedly connected with rack on the pressure release stopper, a plurality of tooth heads of fixedly connected with on the control valve, the rack meshes with the tooth head mutually.
In order to facilitate the cooling of the cooling liquid, preferably, a refrigerator is fixedly connected to the bottom of the explosion-proof tank.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the motor drives the spiral propelling blade and the turbine to continuously rotate, when the lithium battery body normally works, two air channels can be formed in the explosion-proof box to continuously radiate heat of the first auxiliary radiating fin, the second auxiliary radiating fin and the main radiating fin on the lithium battery body, when the temperature in the explosion-proof box rises to exceed a critical value, cooling liquid in the cooling box can be pushed into the explosion-proof box to be matched with the refrigerator to forcibly cool the lithium battery body, when the lithium battery body breaks down and spontaneously ignites and explodes, gas expanded during explosion in the explosion-proof box can be decompressed through the decompression opening, and water mist is sprayed into the explosion-proof box through the water-based fire extinguisher to rapidly cool, isolate and extinguish fire.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a front view of an explosion-proof device for monitoring and cooling lithium batteries according to the present invention;
fig. 2 is a schematic structural diagram of a part a in fig. 1 of an explosion-proof lithium battery device for monitoring and cooling according to the present invention;
fig. 3 is a schematic structural diagram of a part B in fig. 1 of an explosion-proof device for monitoring and cooling a lithium battery according to the present invention;
fig. 4 is a schematic structural diagram of a lithium battery explosion-proof device for monitoring and cooling according to the present invention;
fig. 5 is a schematic structural diagram of a lithium battery body of the lithium battery explosion-proof device for monitoring and cooling according to the present invention.
In the figure: 1. an explosion-proof box; 11. an air inlet pipe; 12. a heat dissipation port; 13. an L-shaped baffle plate; 14. a liquid inlet; 2. a lithium battery body; 21. a first sub-fin; 22. a primary heat sink sheet; 23. a support pillar; 24. a second pair of heat sinks; 3. a cooling tank; 31. a linear actuator; 32. a piston rod; 33. a piston head; 34. cooling liquid; 35. a water outlet; 4. a water-based fire extinguisher; 41. a water spray pipe; 42. a water outlet pipe; 43. a control valve; 44. a spray head; 5. a pressure relief box; 51. a rack; 52. a pressure relief plug; 53. a limiting block; 54. a pressure relief port; 6. a heat-dissipating cylinder; 61. a motor; 62. a rotating shaft; 63. (ii) spirally propelling the leaf; 64. a turbine; 65. a through hole; 7. a refrigerator; 8. a temperature sensor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1:
referring to fig. 1-5, a lithium battery explosion-proof device for monitoring and cooling includes an explosion-proof box 1 and a lithium battery body 2 disposed in the explosion-proof box 1, and further includes: the lithium battery comprises a lithium battery body 2, a plurality of main radiating fins 22 fixedly connected to two sides of the lithium battery body 2, a radiating cylinder 6 fixedly connected to the inside of the main radiating fins 22, a through hole 65 formed in the upper part of the radiating cylinder 6 and penetrating through the main radiating fins 22; a heat dissipation port 12 arranged on the explosion-proof box 1, a rotating shaft 62 is rotatably connected in the heat dissipation port 12, a spiral propelling blade 63 and a turbine 64 are fixedly connected on the rotating shaft 62, the spiral propelling blade 63 is positioned in the heat dissipation cylinder 6, the turbine 64 is positioned in the heat dissipation port 12, and the top of the explosion-proof box 1 is communicated with an air inlet pipe 11; the cooling box 3 is fixedly connected to the bottom of the explosion-proof box 1, the cooling box 3 is communicated with the explosion-proof box 1, cooling liquid 34 is filled in the cooling box 3, and a pushing assembly used for pushing the cooling liquid 34 into the explosion-proof box 1 is arranged in the cooling box 3; the water-based fire extinguisher 4 is fixedly connected to one side of the explosion-proof box 1, and the water-based fire extinguisher 4 is communicated with the explosion-proof box 1 through a spray pipe 41.
Fixedly connected with L shape baffle 13 on explosion-proof box 1, pivot 62 rotates to be connected on L shape baffle 13, and fixedly connected with temperature sensor 8 on the L shape baffle 13, temperature sensor 8 is corresponding with thermovent 12, and fixedly connected with motor 61 on the L shape baffle 13, motor 61 output and pivot 62 fixed connection.
Last fixedly connected with first pair of fin 21 and the vice fin 24 of second of lithium cell body 2, first pair of fin 21 is parallel with pivot 62, and the vice fin 24 of second is located 2 tops of lithium cell body and is mutually perpendicular with first pair of fin 21, 2 bottom fixedly connected with support column 23 of lithium cell body, and 2 one end fixed connection of lithium cell body are kept away from in support column 23 in explosion-proof case 1 bottom, install the check valve in the intake pipe 11.
When the device is used, the motor 61 and the temperature sensor 8 are started, the motor 61 can drive the rotating shaft 62 to rotate when the motor 61 works, the rotating shaft 62 can drive the spiral propelling blade 63 and the turbine 64 to rotate, wherein the bottom end of the heat dissipation cylinder 6 is in an open shape, the side wall of the upper end is provided with a plurality of through holes 65, so that the air near the bottom end of the heat dissipation cylinder 6 can be continuously pushed and transported to the upper end of the heat dissipation cylinder 6 and sprayed out through the through holes 65 when the spiral propelling blade 63 rotates in the heat dissipation cylinder 6, and because the heat dissipation cylinder 6 is penetrated and fixedly connected with a plurality of main heat dissipation fins 22, the air can absorb and take away the heat conducted from the main heat dissipation fins 22 to the heat dissipation cylinder 6 when flowing through the heat dissipation cylinder 6, thereby achieving the purpose of cooling the heat dissipation cylinder 6 and the main heat dissipation fins 22, synchronously, the turbine 64 arranged in the heat dissipation port 12 rotates when the rotating shaft 62 drives and rotates, air in the explosion-proof box 1 is continuously extracted and pushed to the outside air through the heat dissipation port 12, and the air in the explosion-proof box 1 is pushed to the outside, the air pressure in the explosion-proof box is reduced, so that the outside air is sucked through the air inlet pipe 11, the whole air in the explosion-proof box 1 can continuously and circularly flow to achieve the purpose of continuously passing the heat in the explosion-proof box 1 through an air zone, and the purpose of dissipating the lithium battery body 2 is achieved, wherein the top of the lithium battery body 2 is fixedly connected with a second auxiliary heat dissipation fin 24, the front side wall and the rear side wall are fixedly connected with a first auxiliary heat dissipation fin 21, the bottom is fixedly connected to the bottom of the explosion-proof box 1 through a support pillar 23, so that a gap is reserved between the bottom of the lithium battery body 2 and the bottom of the explosion-proof box 1, and the heat accumulation caused by the adhesion between the bottom of the lithium battery body 2 and the bottom of the explosion-proof box 1 can be avoided, and the heat dissipation efficiency of the lithium battery body 2 is influenced, two heat dissipation air ducts are formed in the explosion-proof box in the rotation process of the spiral pushing blade 63 and the turbine 64, one air duct is a short air duct which is formed by part of air extracted in the rotation process of the turbine 64 and part of air sucked by the air inlet pipe 11 directly, the installation direction of the air duct and the second auxiliary heat dissipation fin 24 is the same direction, the flowing speed of air on the outer surface of the second auxiliary heat dissipation fin 24 can be accelerated, and therefore the heat dissipation effect of the second auxiliary heat dissipation fin 24 is accelerated, the other air duct is formed by extracting air at the bottom end of the heat dissipation cylinder 6 in the rotation process of the spiral pushing blade 63 and sucking the air by the turbine 64 after being exhausted through the through hole 65, when the air at the bottom end of the heat dissipation cylinder 6 is reduced, part of the air sucked through the air inlet pipe 11 is extracted, the extracted air is in the same direction with the first auxiliary heat dissipation fins 21 fixedly connected to the front side wall and the rear side wall of the lithium battery body 2 in the flowing process, the flowing speed of air on the outer surface of the first auxiliary heat dissipation fin 21 can be accelerated, so that the lithium battery body 2 can be fully cooled in the normal working process, and in the lithium battery body, the working process, the temperature sensor 8 installed in the L-shaped baffle 13 can monitor the working position of the air exhausted through the heat dissipation air outlet 12 in real-time, and can guarantee the real-time, and monitor the working temperature of the lithium battery body 2.
When overload occurs in the working process of the lithium battery body 2 or the temperature of air sucked through the air inlet pipe 11 is too high, the temperature of air discharged through the heat dissipation port 12 is gradually increased when the spiral propelling blade 63 and the turbine 64 cannot fully dissipate heat of the lithium battery body 2 in the rotating process, at the moment, when the temperature of the air discharged by the temperature sensor 8 reaches a critical value, the external controller controls the propelling component and the refrigerator 7 to work, a secondary strong cooling mode is started, the propelling component propels the cooling liquid 34 in the cooling box 3 to the explosion-proof box 1 to cool the lithium battery body 2, the refrigerator 7 can cool the cooling liquid 34 at the same time, the refrigerator 7 is a semiconductor refrigeration device, when the cooling liquid 34 enters the explosion-proof box 1 and contacts the bottom end of the spiral propelling blade 63, the spiral propelling blade 63 drives the cooling liquid 34 to rise in the heat dissipation cylinder 6 to quickly absorb heat on the heat dissipation cylinder 6 and the main heat dissipation sheet 22 until the cooling liquid 34 is discharged through a through hole 65 at the top end of the heat dissipation cylinder 6, the discharged cooling liquid 34 in the horizontal throwing direction around the heat dissipation cylinder 6, and then the cooling liquid 34 can be sprayed to the cooling fin 1 to the secondary explosion-proof box 1 to cool the lithium battery body 2, when the second explosion-proof box 2 and the second explosion-proof air cooling fin 13 is continuously cooled by the explosion-proof box 1, the second explosion-proof box 2, the second explosion-proof air cooling fin 13, the explosion-proof box 1, the second explosion-proof box 24, the second explosion-proof box 2, the second explosion-proof air cooling fin 13 is continuously and the explosion-proof box 1, the second explosion-proof air cooling fin 13, the pushing assembly is controlled to reversely work and the refrigerator 7 is controlled to stop working through the external controller, and the cooling liquid 34 in the explosion-proof box 1 is sucked into the cooling box 3 again so as to be reused in the later period.
When taking place rapid heating up and spontaneous combustion explosion because of short circuit or inside quality problem in the lithium cell body 2 working process, water base fire extinguisher 4 of fixed connection in explosion-proof box 1 one side can spout water smoke to explosion-proof box 1 in through spray pipe 41, carries out quick cooling, keeps apart oxygen and puts out a fire to lithium cell body 2 in explosion-proof box 1.
Example 2:
referring to fig. 1-5, a lithium battery explosion-proof device for monitoring and cooling includes an explosion-proof box 1 and a lithium battery body 2 disposed in the explosion-proof box 1, and further includes: the lithium battery comprises a lithium battery body 2, a plurality of main radiating fins 22 fixedly connected to two sides of the lithium battery body 2, a radiating cylinder 6 fixedly connected to the inside of the main radiating fins 22, a through hole 65 formed in the upper part of the radiating cylinder 6 and penetrating through the main radiating fins 22; a heat dissipation port 12 arranged on the explosion-proof box 1, a rotating shaft 62 is rotatably connected in the heat dissipation port 12, a spiral propelling blade 63 and a turbine 64 are fixedly connected on the rotating shaft 62, the spiral propelling blade 63 is positioned in the heat dissipation cylinder 6, the turbine 64 is positioned in the heat dissipation port 12, and the top of the explosion-proof box 1 is communicated with an air inlet pipe 11; the cooling box 3 is fixedly connected to the bottom of the explosion-proof box 1, the cooling box 3 is communicated with the explosion-proof box 1, cooling liquid 34 is filled in the cooling box 3, and a pushing assembly used for pushing the cooling liquid 34 into the explosion-proof box 1 is arranged in the cooling box 3; the water-based fire extinguisher 4 is fixedly connected to one side of the explosion-proof box 1, the water-based fire extinguisher 4 is communicated with the explosion-proof box 1 through a spray pipe 41, and further: propelling movement subassembly includes linear actuator 31, 31 fixed connection of linear actuator are in cooler bin 3, fixedly connected with piston rod 32 on the 31 output of linear actuator, linear actuator 31 one end fixedly connected with piston head 33 is kept away from to piston rod 32, the 3 tops of cooler bin are kept away from and are seted up delivery port 35 on linear actuator 31 one side, inlet 14 that is linked together with delivery port 35 is seted up to explosion-proof case 1 bottom, 1 bottom fixedly connected with refrigerator 7 of explosion-proof case.
The specific process of pushing the cooling liquid 34 in the cooling box 3 into the explosion-proof box 1 through the pushing assembly is that the linear driver 31 works to push the piston rod 32 to move away from the linear driver 31, so that the cooling liquid 34 in the cooling box 3 can move away from the linear driver 31 through the piston head 33 fixedly connected to the piston rod 32, and the cooling liquid 34 in the cooling box 3 can only enter the explosion-proof box 1 through the water outlet 35 and the liquid inlet 14 under the extrusion of the piston head 33, so that the cooling liquid 34 is gradually increased in the explosion-proof box 1 to achieve the purpose of rapidly cooling the lithium battery body 2, wherein the linear driver 31 can adopt the existing structures such as an air cylinder and a screw rod.
Example 3:
referring to fig. 1-5, a lithium battery explosion-proof device for monitoring and cooling includes an explosion-proof box 1 and a lithium battery body 2 arranged in the explosion-proof box 1, and further includes: the lithium battery comprises a lithium battery body 2, a plurality of main radiating fins 22 fixedly connected to two sides of the lithium battery body 2, a radiating cylinder 6 fixedly connected to the inside of the main radiating fins 22, a through hole 65 formed in the upper part of the radiating cylinder 6 and penetrating through the main radiating fins 22; a heat dissipation port 12 arranged on the explosion-proof box 1, a rotating shaft 62 is rotatably connected in the heat dissipation port 12, a spiral propelling blade 63 and a turbine 64 are fixedly connected on the rotating shaft 62, the spiral propelling blade 63 is positioned in the heat dissipation cylinder 6, the turbine 64 is positioned in the heat dissipation port 12, and the top of the explosion-proof box 1 is communicated with an air inlet pipe 11; the cooling box 3 is fixedly connected to the bottom of the explosion-proof box 1, the cooling box 3 is communicated with the explosion-proof box 1, cooling liquid 34 is filled in the cooling box 3, and a pushing assembly used for pushing the cooling liquid 34 into the explosion-proof box 1 is arranged in the cooling box 3; the water-based fire extinguisher 4 is fixedly connected to one side of the explosion-proof box 1, the water-based fire extinguisher 4 is communicated with the explosion-proof box 1 through a spray pipe 41, and further: the water-based fire extinguisher 4 is communicated with a water outlet pipe 42, the water outlet pipe 42 is provided with a control valve 43, one end of the spray pipe 41 far away from the explosion-proof box 1 is communicated with the water outlet pipe 42, a spray head 44 is fixedly connected in the explosion-proof box 1, the spray head 44 is communicated with one end of the spray pipe 41 far away from the water-based fire extinguisher 4, the explosion-proof box 1 is provided with a through opening, the explosion-proof box 1 is provided with a pressure relief box 5 which is communicated with the through opening, a pressure relief opening 54 is formed in the pressure relief box 5, a limiting groove is formed in the through opening, a limiting block 53 is embedded in the limiting groove, a pressure relief plug 52 is bonded on the limiting block 53, the surface of the pressure relief plug 52 is attached to the inner wall of the through opening, a rack 51 is fixedly connected on the pressure relief plug 52, the control valve 43 is fixedly connected with a plurality of tooth heads, and the rack 51 is meshed with the tooth heads.
When the lithium battery body 2 explodes in the explosion-proof box 1, the air in the explosion-proof box 1 suddenly changes and expands, so that the air pressure in the air explosion-proof box 1 increases instantly, at the moment, the expanded air can apply pressure on the surface of the pressure release plug 52, the pressure release plug 52 is relatively separated from the bonding part of the limiting block 53, the pressure release plug 52 can be pushed to slide into the pressure release box 5, the expanded air in the explosion-proof box 1 is continuously discharged through the opening and is discharged to the outside through the pressure release opening 54 of the pressure release box 5, so that the purpose of buffering and releasing the pressure of the air in the explosion-proof box 1 is achieved, the explosion-proof box 1 is prevented from being damaged due to the excessive air pressure in the explosion-proof box 1, meanwhile, the pressure release plug 52 can drive the control valve 43 to rotate on the water outlet pipe 42 through the rack 51 in the sliding process in the pressure release box 5, and then the control valve 43 is opened, so that the fire extinguishing liquid in the water-based fire extinguisher 4 is conveyed to the spray head 44 through the water spray pipe 41 to be sprayed in the explosion-proof box 1, so as to achieve the purposes of rapidly reducing the temperature, isolating and extinguishing the explosion-proof of the explosion-proof lithium battery body 2 which explodes in the explosion-proof box 1.
According to the invention, the motor 61 drives the spiral propelling blade 63 and the turbine 64 to continuously rotate, when the lithium battery body 2 normally works, two air channels can be formed in the explosion-proof box 1 to continuously radiate heat of the first auxiliary radiating fin 21, the second auxiliary radiating fin 24 and the main radiating fin 22 on the lithium battery body 2, when the temperature in the explosion-proof box 1 rises to exceed a critical value, the cooling liquid 34 in the cooling box 3 can be pushed into the explosion-proof box 1 to be matched with the refrigerator 7 to forcibly cool the lithium battery body 2, when the lithium battery body 2 is in failure and spontaneous combustion explosion, the expanded gas in the explosion-proof box 1 can be decompressed through the decompression opening 54, and water mist is sprayed in the explosion-proof box 1 through the water-based fire extinguisher 4 to rapidly cool, isolate and extinguish fire.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a lithium battery explosion-proof equipment of monitoring and cooling, includes explosion-proof case (1) and locates lithium cell body (2) in explosion-proof case (1), its characterized in that still includes:
the lithium battery comprises a lithium battery body (2), a plurality of main radiating fins (22) fixedly connected to two sides of the lithium battery body (2), a radiating cylinder (6) fixedly connected to the inside of the main radiating fins (22), wherein the radiating cylinder (6) penetrates through the main radiating fins (22), and a through hole (65) is formed in the upper part of the radiating cylinder (6);
the explosion-proof box comprises a heat dissipation port (12) arranged on the explosion-proof box (1), a rotating shaft (62) is connected in the heat dissipation port (12) in a rotating mode, a spiral propulsion blade (63) and a turbine (64) are fixedly connected to the rotating shaft (62), the spiral propulsion blade (63) is located in a heat dissipation cylinder (6), the turbine (64) is located in the heat dissipation port (12), and the top of the explosion-proof box (1) is communicated with an air inlet pipe (11);
the cooling box (3) is fixedly connected to the bottom of the explosion-proof box (1), the cooling box (3) is communicated with the explosion-proof box (1), cooling liquid (34) is filled in the cooling box (3), and a pushing assembly used for pushing the cooling liquid (34) into the explosion-proof box (1) is arranged in the cooling box (3);
the water-based fire extinguisher (4) is fixedly connected to one side of the explosion-proof box (1), and the water-based fire extinguisher (4) is communicated with the explosion-proof box (1) through a spray pipe (41).
2. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein: the explosion-proof box (1) is fixedly connected with an L-shaped baffle (13), and the rotating shaft (62) is rotatably connected to the L-shaped baffle (13).
3. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 2, wherein: fixedly connected with temperature sensor (8) on L shape baffle (13), temperature sensor (8) correspond with thermovent (12).
4. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 3, wherein: fixedly connected with motor (61) on L shape baffle (13), motor (61) output and pivot (62) fixed connection.
5. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein: the propelling movement subassembly includes sharp driver (31), sharp driver (31) fixed connection is in cooler bin (3), fixedly connected with piston rod (32) on sharp driver (31) output, sharp driver (31) one end fixedly connected with piston head (33) is served away from in piston rod (32), cooler bin (3) top is kept away from sharp driver (31) one side and has been seted up delivery port (35), inlet (14) that are linked together with delivery port (35) are seted up to explosion-proof box (1) bottom.
6. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein: the lithium battery body (2) is gone up the first pair of fin of fixedly connected with (21) and the vice fin of second (24), first pair fin (21) are parallel with pivot (62), the vice fin of second (24) are located lithium battery body (2) top and are mutually perpendicular with first pair fin (21), lithium battery body (2) bottom fixedly connected with support column (23), lithium battery body (2) one end fixed connection is in explosion-proof case (1) bottom is kept away from in support column (23).
7. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 6, wherein: and a one-way valve is arranged in the air inlet pipe (11).
8. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein: the water-based fire extinguisher is characterized in that a water outlet pipe (42) is communicated with the water-based fire extinguisher (4), a control valve (43) is installed on the water outlet pipe (42), one end, far away from the explosion-proof box (1), of the water spray pipe (41) is communicated with the water outlet pipe (42), a spray head (44) is fixedly connected in the explosion-proof box (1), and the spray head (44) is communicated with one end, far away from the water-based fire extinguisher (4), of the water spray pipe (41).
9. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 8, wherein: the opening has been seted up on explosion-proof box (1), pressure release box (5) that fixedly connected with and opening are linked together are gone up in explosion-proof box (1), pressure release mouth (54) have been seted up on pressure release box (5), the spacing groove has been seted up in the opening, spacing inslot is closed stopper (53), it has decompression stopper (52) to bond on stopper (53), decompression stopper (52) surface is laminated with the opening inner wall mutually, fixedly connected with rack (51) on decompression stopper (52), a plurality of tooth heads of fixedly connected with on control valve (43), rack (51) mesh with the tooth head mutually.
10. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein: the bottom of the explosion-proof box (1) is fixedly connected with a refrigerator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211402470.1A CN115566320B (en) | 2022-11-10 | 2022-11-10 | Lithium battery explosion-proof equipment of monitoring and cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211402470.1A CN115566320B (en) | 2022-11-10 | 2022-11-10 | Lithium battery explosion-proof equipment of monitoring and cooling |
Publications (2)
| Publication Number | Publication Date |
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| CN115566320A true CN115566320A (en) | 2023-01-03 |
| CN115566320B CN115566320B (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211402470.1A Active CN115566320B (en) | 2022-11-10 | 2022-11-10 | Lithium battery explosion-proof equipment of monitoring and cooling |
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| CN (1) | CN115566320B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116764143A (en) * | 2023-06-30 | 2023-09-19 | 山东鲁岳检测科技有限公司 | Explosion-proof device of safety in production |
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| CN116764143A (en) * | 2023-06-30 | 2023-09-19 | 山东鲁岳检测科技有限公司 | Explosion-proof device of safety in production |
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| Publication number | Publication date |
|---|---|
| CN115566320B (en) | 2023-02-07 |
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